Using Classical Conditioning, Pavlov

Multiple Choice

Using classical conditioning, Pavlov:

A) conditioned a dog to salivate at the sight of food.
B) presented a neutral stimulus just after giving the dog some food.
C) succeeded in conditioning the response to a stimulus that would not elicit it before training.
D) discovered that dogs spontaneously salivate for no reason even when food is not given to the animal for several weeks.